Physiological Botany: An Abridgement of The Students' Guide to Structural, Morphological, and Physiological BotanyD. Appleton and Company, 1886 - 292 páginas |
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Página 2
... arise , each of which is terminated by a sac ( sporangium or ascus ) , from which a number of minute bodies ( spores ) are escaping . FIG . 4. - An- other Mold ( Penicillium glaucum ) , with branched mycelium ( hyphal tissue ) , and ...
... arise , each of which is terminated by a sac ( sporangium or ascus ) , from which a number of minute bodies ( spores ) are escaping . FIG . 4. - An- other Mold ( Penicillium glaucum ) , with branched mycelium ( hyphal tissue ) , and ...
Página 16
... arises from the condition of their cell - walls ; thus , those of pa- renchymatous cells are usually thin ( Fig . 27 ) , while those of prosenchymatous cells are more or less thickened ( Figs . 40 and 41 ) . These latter cells are ...
... arises from the condition of their cell - walls ; thus , those of pa- renchymatous cells are usually thin ( Fig . 27 ) , while those of prosenchymatous cells are more or less thickened ( Figs . 40 and 41 ) . These latter cells are ...
Página 50
... arise , at which points partitions are formed across the cavity , by which it is di- vided into a number of separate portions . Such stems when examined at their first development present the usual Endogenous structure , but , in ...
... arise , at which points partitions are formed across the cavity , by which it is di- vided into a number of separate portions . Such stems when examined at their first development present the usual Endogenous structure , but , in ...
Página 52
... from each of which a branch is formed ( see page 58 ) . But such branches are very different from those of dicoty- ledonous stems , which are produced from lateral buds , for , BUDS AND RAMIFICATION . 53 as they arise simply from.
... from each of which a branch is formed ( see page 58 ) . But such branches are very different from those of dicoty- ledonous stems , which are produced from lateral buds , for , BUDS AND RAMIFICATION . 53 as they arise simply from.
Página 53
... arise simply from the splitting of one bud into two , the diameter of the two branches combined is only equal to that of the trunk . As Acotyledonous stems only grow by the development of a terminal bud , the destruction of that bud ...
... arise simply from the splitting of one bud into two , the diameter of the two branches combined is only equal to that of the trunk . As Acotyledonous stems only grow by the development of a terminal bud , the destruction of that bud ...
Otras ediciones - Ver todas
The Student's Guide to Structural, Morphological and Physiological Botany Robert Bentley Sin vista previa disponible - 2016 |
The Student's Guide to Structural, Morphological and Physiological Botany Robert Bentley Sin vista previa disponible - 2016 |
Términos y frases comunes
absorption æstivation albumen anther antheridia antherozoids apex appearance archegonia arranged axil bark base becomes bracts branches buds called calyx carbon dioxide carpels cavity cell-wall cells Fig cellular chalaza chlorophyl coat color commonly compound consists contain corolla cotyledons cyme dehiscence described developed Dicotyledonous dissepiments elongated embryo embryo-sac epidermis external fertilization fibro-vascular bundles filaments fleshy floral flower-buds flowers fluid frequently fruit glands granules green grow growth hairs hence hilum inclosed indehiscent inflorescence inner kind layer leaf leaves less lobes matters medullary membrane micropyle Monocotyledonous nature nucleus occur organs outer ovary ovule oxygen parenchyma pericarp petals petiole pistil pith pitted placenta plants pollen pollen-cells portion primary axis produced protoplasm radicle reproductive roots seeds sepals species spiral vessels sporangium spores stalk stamens starch stem stigma stomata structure style substance surface sutures takes place termed terminal thalamus Thallophytes thickened tion tissue transverse usually valves vary walls whorls wood wood-cells
Pasajes populares
Página ii - Society, etc.; and JB HOLDER, MD, Curator of Zoology of American Museum of Natural History, Central Park, New York. 12mo, 385 pages. A COMPEND OF GEOLOGY. By JOSEPH LE CONTE, Professor of Geology and Natural History in the University of California; author of "Elements of Geology,
Página 223 - ... bundles ; or the increased size of the coming leaf-bud will snap them ; or if these causes are not in operation, a gust of wind, a heavy shower, or even the simple weight of the lamina, will be enough to disrupt the small connexions, and send the suicidal member to its grave. " Such is the history of the fall of the leaf.
Página vi - Descriptive Botany," by Eliza A. Youmans. Designed to give an elementary account of Structural and Physiological Botany, or of the inner and minute mechanism and activities of plants. It treats of what the parts of a plant are built up, and what functions they perform In its history as a living being.